TY  - BOOK
AU  - Abdul Ali Khan
TI  - Duality in architecture : planes and their manipulations
U1  - 720 ABD 
CY  - Karachi
UR  - https://drive.google.com/file/d/1Hg7C5Q3qO0tnZ29py2zD2YJJCnLroB8F/view?usp=sharing
ER  -